Ginger pest control

Stem diseases such as ginger rot and rhizome rot can significantly affect ginger crops. As soon as a diseased plant is identified in the field, it's crucial to act quickly. Carefully excavate the soil around the affected plant and remove the entire plant. Bury it deeply in a designated area, such as a disposal site in Daejeon. After removal, treat the hole with 125 grams of bleaching powder or a 1% solution of bleaching liquid to disinfect the area. Once the treatment is complete, cover the hole with sterilized soil to prevent further spread. This method has proven effective in controlling the disease and minimizing its impact on surrounding plants. For leaf diseases like anthracnose and leaf blight, prompt action is also essential. When any infected leaves are spotted, they should be immediately removed and placed in a plastic bag for disposal outside the field. Burn them or bury them deeply to avoid spreading the infection. To manage the disease, apply a mixture of 70% thiophanate-methyl WP diluted at 1000 times and 75% chlorothalonil WP diluted at 600–700 times. Spray the plants thoroughly, focusing on both the upper and lower surfaces of the leaves. Repeat the application every 7–10 days, up to two times if necessary. Ensure that the spray is fine and evenly distributed. It's important to stop applying these chemicals 20 days before harvest to ensure safe consumption. Regarding pests such as ginger borers and locusts, along with aphids, early detection is key. If these pests are found in the field, immediately spray the plants with either Yangkang No. 3 suspension agent (suitable for AA-grade green food production) diluted at 750 times, or an avermectin-based preparation (1.8% exteretrazine) diluted at 6000 times. Adjust the application rate based on the size of the ginger plants and the severity of the infestation. In addition to chemical control, use high-pressure mercury lamps at night to attract and trap adult insects, reducing their population and preventing further damage. Combining these methods ensures more effective pest management while maintaining crop health.

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